<?php

declare(strict_types=1);

namespace Evomedien\FeComment\UserFunc;

use Evomedien\FeComment\Service\FeedbackState;
use TYPO3\CMS\Core\Attribute\AsAllowedCallable;
use TYPO3\CMS\Core\Utility\GeneralUtility;

/**
 * "Feedback Overview" content element (CType fecomment_overview,
 * 2026-10-09): the current FE user's feedback state in the page JSON, under
 * content.feedbackOverview - exactly the payload of GET
 * /api/fe-comment/state (shared FeedbackState service), so a front end can
 * render the overview page like any other page.
 *
 * Wired as USER_INT: the data is per user. EXT:headless keeps the page
 * cached and replaces only this field per request. Visitors who are not
 * allowed get {"allowed": false} (front end: redirect to the login page).
 */
final class OverviewJsonRenderer
{
    #[AsAllowedCallable]
    public function render(string $content, array $conf): string
    {
        try {
            $request = $GLOBALS['TYPO3_REQUEST'] ?? null;
            $state = GeneralUtility::makeInstance(FeedbackState::class);
            $payload = $request !== null ? $state->payload($state->allowedUser($request)) : ['allowed' => false];
        } catch (\Throwable) {
            $payload = ['allowed' => false];
        }
        return (string)json_encode($payload, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
    }
}